Investigate Big Congress, Not Big Oil
The simple fact is that the prices of oil and gasoline are determined by supply and demand—which neither private oil companies nor speculators have any power to dictate in their favor. If they had such market mastery, then why didn't they use it in the 1990s, when gasoline was selling at a barely profitable $1 a gallon? To be sure, speculators can bid up prices—but they only do so when they believe that oil will become even more expensive in the future, and only make money when they are right.
The question Congress should really be asking, then, is: What nonmarket factors are distorting supply and demand? If they sought an honest answer, they would discover that much of the blame lies with Congress itself.Read more here.